365Chess online database of 3-1/2 million games This site has games by players from Manfred Aab of Germany to Sofiya Zyzlova of the Soviet Union and includes unrateds to GM’s. For example GM Olivier Renet of France has 1070 games and Michal Maciazek, rated 1453, from Poland has 3 games. My favorite player, Reshevsky, has 1356 games. Maybe you have some games in it. You can search by openings…Grob’s Attack (1.g4) has 759 games. Of which, by the way, White won 37.5% and lost 44.9% which isn’t too much worse than Bird’s Opening (1.f4) where White won 35.5% and lost 40.0%. Also check out their chess puzzles.
Best Game of the last century? Kasparov-Topalov, Wijk aan Zee, 1999…with great notes
J.R. Capablanca 10 (out of 11)
Isaac Kashdan 8.5